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目的介绍用标准化效应指数评价健康教育效果的方法。
ObjectiveTo introduce the method of standardized effect size to evaluate effect of health education.
youdao
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“这是一种指数效应。”波特说。
"It's an exponential effect," said Porter.
youdao
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“这是一种指数效应。”波特说。
"It's an exponential effect," said Porter.
youdao